you've configured in wireless router mode? you can change the DNS under DHCP to 8.8.8.8, and reduce the MTU size, sometimes it works.

are you sure your product support USSD? it's verified that only V4 and above hardware can support. and you need login to web UI to use it. the tpMiFi app cannot use this feature.

there is time setting under parental control. it's called effective time. choose blacklist, add your children's devices to blacklist, and do not add any keyword if you wish to block all internet...

assume you're using a DSL modem. firstly, check the DSL connection. there should be a DSL indicator on the modem router, make sure it's solid on. if not, you might need to reset the router or contact...

what's the operating system of your computer? some old systems may have wireless security type problem. maybe change the security type and wifi password of your network. Otherwise, make sure the...

don't know Deutsch..... I used google translator, and it seems you've set a different SSID for the extender, but you cannot connect to internet? Just check if the RE led lights up on the extender, if...